Blackhawk XP21 Engine Upgrade for the King Air A90-C90

The Blackhawk XP21 is a simple, bolt-on upgrade for the King Air A90, B90 & C90 that replaces existing PT6A-20 and -20A engines with current generation PT6A-21 engines. These modern engines run cooler and produce more power at altitude than the original engines. Lower overhaul and maintenance cost, coupled with an ample supply of low- to mid-time engines, make the Blackhawk XP21 the smart choice for your King Air.